399720000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{3331}}^1$

素因数の和:3366

約数の個数: 140

約数和(自身を含む): 1321964336

約数和(自身を除く): 922244336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 150, 160, 192, 200, 240, 250, 300, 320, 375, 400, 480, 500, 600, 625, 750, 800, 960, 1000, 1200, 1250, 1500, 1600, 1875, 2000, 2400, 2500, 3000, 3331, 3750, 4000, 4800, 5000, 6000, 6662, 7500, 8000, 9993, 10000, 12000, 13324, 15000, 16655, 19986, 20000, 24000, 26648, 30000, 33310, 39972, 40000, 49965, 53296, 60000, 66620, 79944, 83275, 99930, 106592, 120000, 133240, 159888, 166550, 199860, 213184, 249825, 266480, 319776, 333100, 399720, 416375, 499650, 532960, 639552, 666200, 799440, 832750, 999300, 1065920, 1249125, 1332400, 1598880, 1665500, 1998600, 2081875, 2498250, 2664800, 3197760, 3331000, 3997200, 4163750, 4996500, 5329600, 6245625, 6662000, 7994400, 8327500, 9993000, 12491250, 13324000, 15988800, 16655000, 19986000, 24982500, 26648000, 33310000, 39972000, 49965000, 66620000, 79944000, 99930000, 133240000, 199860000, 399720000]

約数ペア:

[(1, 399720000), (2, 199860000), (3, 133240000), (4, 99930000), (5, 79944000), (6, 66620000), (8, 49965000), (10, 39972000), (12, 33310000), (15, 26648000), (16, 24982500), (20, 19986000), (24, 16655000), (25, 15988800), (30, 13324000), (32, 12491250), (40, 9993000), (48, 8327500), (50, 7994400), (60, 6662000), (64, 6245625), (75, 5329600), (80, 4996500), (96, 4163750), (100, 3997200), (120, 3331000), (125, 3197760), (150, 2664800), (160, 2498250), (192, 2081875), (200, 1998600), (240, 1665500), (250, 1598880), (300, 1332400), (320, 1249125), (375, 1065920), (400, 999300), (480, 832750), (500, 799440), (600, 666200), (625, 639552), (750, 532960), (800, 499650), (960, 416375), (1000, 399720), (1200, 333100), (1250, 319776), (1500, 266480), (1600, 249825), (1875, 213184), (2000, 199860), (2400, 166550), (2500, 159888), (3000, 133240), (3331, 120000), (3750, 106592), (4000, 99930), (4800, 83275), (5000, 79944), (6000, 66620), (6662, 60000), (7500, 53296), (8000, 49965), (9993, 40000), (10000, 39972), (12000, 33310), (13324, 30000), (15000, 26648), (16655, 24000), (19986, 20000)]